dfaggioli/qemu
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

numa: Make all callbacks of ram block notifiers optional

Browse Source 
Let's make add/remove optional. We want to introduce a RAM block
notifier for RAM migration that is only interested in resize events.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210429112708.12291-4-david@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
David Hildenbrand
2021-04-29 13:27:01 +02:00
committed by Dr. David Alan Gilbert
parent 8f44304c76
commit e15c7d1e8c
1 changed files with 10 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
hw/core/numa.c
View File

@@ -818,9 +818,12 @@ static int ram_block_notify_add_single(RAMBlock *rb, void *opaque)
void ram_block_notifier_add(RAMBlockNotifier *n)
{
QLIST_INSERT_HEAD(&ram_list.ramblock_notifiers, n, next);
/* Notify about all existing ram blocks. */
if (n->ram_block_added) {
qemu_ram_foreach_block(ram_block_notify_add_single, n);
}
}
void ram_block_notifier_remove(RAMBlockNotifier *n)
{
@@ -832,18 +835,22 @@ void ram_block_notify_add(void *host, size_t size, size_t max_size)
RAMBlockNotifier *notifier;
QLIST_FOREACH(notifier, &ram_list.ramblock_notifiers, next) {
if (notifier->ram_block_added) {
notifier->ram_block_added(notifier, host, size, max_size);
}
}
}
void ram_block_notify_remove(void *host, size_t size, size_t max_size)
{
RAMBlockNotifier *notifier;
QLIST_FOREACH(notifier, &ram_list.ramblock_notifiers, next) {
if (notifier->ram_block_removed) {
notifier->ram_block_removed(notifier, host, size, max_size);
}
}
}
void ram_block_notify_resize(void *host, size_t old_size, size_t new_size)
{